. >> the president spoke at a news conference with israeli prime minister benjamin netanyahu who is worried serious chemical weapons could wind up in the hands of terrorists or anti israeli extremists like hezbollah. mr. obama is stressing he is skeptical that they used chemical weapons and cautioned that the u.s. is still investigating claims that syrian president use them, the president a bushel when israeli reporter suggested that the u.s. has been sitting on its hands. >> is incorrect for you to say that we have been nothing. we have helped to mobilize the isolation of the regime internationally. we have supported and recognized the opposition. >> except the president for said that in 85 days were numbered 19 days ago. last summer he warned of potential u.s. force. >> are red line for us is, we start seeing a whole bunch of chemical weapons moving around or being utilized. that would change my calculus. >> reporter: back in washington a top republican charge the administration's policy has been addressed. >> the obama administration saw a reformer. once the revolt started, they backed u